Behring's serum
[医] 贝林格氏血清(白喉血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
The weather's been very hot lately.
最近天气总是很热。
Put the cart before the horse.
本末倒置。
Oh! Do you have to?
噢！必须收拾吗？